Barre, VT 05603 Frost Dates
Frost dates for Barre, VT, ZIP 05603
The last spring frost here typically falls around 05/18, about 263 days from today. The first fall frost typically arrives around 09/28, about 133 frost-free days later.
The USDA Plant Hardiness Zone Map puts Barre in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 4b around Barre has about 4 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 05/18 isn't a guarantee
05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 and you're betting against frost in roughly 9 years out of 10. 05/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barre compares
Barre's growing season runs about 133 days, ranking 38,041 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 242 of 330.
Learn more
zone vs. frost date explains why Zone 4b and Barre's frost date answer different questions, and the frost range explains how to read the range around Barre's dates instead of trusting one.